diff --git a/asn1c/tests/data-126/data-126-19.in b/asn1c/tests/data-126/data-126-19.in
new file mode 100644
index 00000000..42d3595e
--- /dev/null
+++ b/asn1c/tests/data-126/data-126-19.in
@@ -0,0 +1,7 @@
+<PDU>
+	<str-m>some long string spanning multiple bytes</str-m>
+	<singl><opt-z>zzz-zzz-zzz-zzz</opt-z></singl>
+	<pdu-2>
+		<main>42</main>
+	</pdu-2>
+</PDU>
diff --git a/asn1c/tests/data-126/data-126-19.out b/asn1c/tests/data-126/data-126-19.out
new file mode 100644
index 00000000..5cc830eb
Binary files /dev/null and b/asn1c/tests/data-126/data-126-19.out differ
diff --git a/asn1c/tests/data-126/data-126-20.in b/asn1c/tests/data-126/data-126-20.in
new file mode 100644
index 00000000..2e26d4c2
--- /dev/null
+++ b/asn1c/tests/data-126/data-126-20.in
@@ -0,0 +1,7 @@
+<PDU>
+	<str-m>some long string spanning multiple bytes</str-m>
+	<singl><opt-z>zzz-zzz-zzz-zzz</opt-z></singl>
+	<pdu-2>
+		<ext0>13</ext0>
+	</pdu-2>
+</PDU>
diff --git a/asn1c/tests/data-126/data-126-20.out b/asn1c/tests/data-126/data-126-20.out
new file mode 100644
index 00000000..6a5d6dd4
Binary files /dev/null and b/asn1c/tests/data-126/data-126-20.out differ
diff --git a/asn1c/tests/data-126/data-126-21.in b/asn1c/tests/data-126/data-126-21.in
new file mode 100644
index 00000000..3ea60bde
--- /dev/null
+++ b/asn1c/tests/data-126/data-126-21.in
@@ -0,0 +1,7 @@
+<PDU>
+	<str-m></str-m>
+	<singl><opt-z></opt-z></singl>
+	<pdu-2>
+		<ext0>0</ext0>
+	</pdu-2>
+</PDU>
diff --git a/asn1c/tests/data-126/data-126-21.out b/asn1c/tests/data-126/data-126-21.out
new file mode 100644
index 00000000..865a90a1
Binary files /dev/null and b/asn1c/tests/data-126/data-126-21.out differ